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经营范围
发明名称
ROCK BREAKING CUTTER
摘要
申请公布号
SU609884(A1)
申请公布日期
1978.05.10
申请号
SU19772449955
申请日期
1977.02.02
申请人
INST SVERKHTVERDYKH MATERIALOV AN UK SSR
发明人
VIROVETS LYUSEN N,SU;SVESHNIKOV IGOR A,SU;DUBSKIJ GEORGIJ S,SU;VINNIK ERA-GALINA M,SU
分类号
E21C35/183;(IPC1-7):E21C25/38
主分类号
E21C35/183
代理机构
代理人
主权项
地址
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